TIOBE - C Coding Standard

Guideline: 12.3#4

Synopsis:	Avoid defining macros with unbalanced brackets or parentheses.
Language:	C
Severity Level:	3
Category:	PREPROCESSING

Description:

Do not change the language syntax.

Example:

#define LESS_ONE - 1
#define BEGIN {
#define END }
...
BEGIN
int x = y LESS_ONE;
END